"Nobody Knows Anything" and "Structure is Everything." In two pithy statements, screenwriting legend William Goldman (Butch Cassidy and the Sundance Kid; Misery; The Princess Bride; Marathon Man), brilliantly encapsulates the essence of the film industry.

With Screenwriting Unchained, Emmanuel Oberg navigates a perilous journey between these two islands of truth. His refreshingly new approach to story structure leads to a powerful yet flexible way to handle the script development process: the Story-Type...